Discussion:
[Mimedefang] resending mails from quarantine, modify Message-ID or use Resent-Headers?
Marcus Schopen
2017-01-03 18:19:22 UTC
Permalink
Hi,

I'm playing around with resending quarantined emails, if the user wants
them to be delivered and check locally. I set Resent-Headers in those
resent messages, so that cyrus delivers and doesn't drop them as
duplicates. Some users users pop their mailboxes with exchange or
popcon. Any experiences out there, if those messages get dropped by pop
clients because of the same Message-ID or should I better change the
original Message-ID header to something like X-Orig-Message-ID and set a
new Message-ID header?

Ciao
Marcus


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Peter Bonivart
2017-01-03 18:58:04 UTC
Permalink
Post by Marcus Schopen
Hi,
I'm playing around with resending quarantined emails, if the user wants
them to be delivered and check locally. I set Resent-Headers in those
resent messages, so that cyrus delivers and doesn't drop them as
duplicates. Some users users pop their mailboxes with exchange or
popcon. Any experiences out there, if those messages get dropped by pop
clients because of the same Message-ID or should I better change the
original Message-ID header to something like X-Orig-Message-ID and set a
new Message-ID header?
Exchange has had a duplicate message protection looking at the message
ID for a long time. I generate a new message ID to avoid that.
_______________________________________________
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message, it is NULL AND VOID. You may ignore it.

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Marcus Schopen
2017-01-04 13:25:00 UTC
Permalink
Post by Peter Bonivart
Post by Marcus Schopen
Hi,
I'm playing around with resending quarantined emails, if the user wants
them to be delivered and check locally. I set Resent-Headers in those
resent messages, so that cyrus delivers and doesn't drop them as
duplicates. Some users users pop their mailboxes with exchange or
popcon. Any experiences out there, if those messages get dropped by pop
clients because of the same Message-ID or should I better change the
original Message-ID header to something like X-Orig-Message-ID and set a
new Message-ID header?
Exchange has had a duplicate message protection looking at the message
ID for a long time. I generate a new message ID to avoid that.
Thanks Peter!

I will set a new Message-ID too then. Do remove the old Message-ID
header or do you change it to X-Orig-Message-ID to keep it?

And do you set Resent-Date, Resent-From, Resent-To, Resent-Message-ID
headers too?

Ciao
Marcus
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NOTE: If there is a disclaimer or other legal boilerplate in the above
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Peter Bonivart
2017-01-04 16:00:42 UTC
Permalink
Post by Marcus Schopen
I will set a new Message-ID too then. Do remove the old Message-ID
header or do you change it to X-Orig-Message-ID to keep it?
And do you set Resent-Date, Resent-From, Resent-To, Resent-Message-ID
headers too?
My only goal was to get the e-mails delivered so I only changed the
Message-ID. I have never used this header anyway so I didn't bother
with saving the original one (I use the MTA:s message id for tracking
purposes).
_______________________________________________
NOTE: If there is a disclaimer or other legal boilerplate in the above
message, it is NULL AND VOID. You may ignore it.

Visit http://www.mimedefang.org and http://www.roaringpenguin.com
MIMEDefang mailing list ***@lists.roaringpenguin.com
http://lists.roaringpenguin.com/mailman/listin

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